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勾股定理证明
Author:
万超杰
GeoGebra
New Resources
兩位數除以一位數（二）
兩位數除以一位數（一）
拼砌四邊形
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
Cross sections of cube
正方形和等邊三角形轉化_李樂雯
畫圓
mooc第四讲作业单晨
座位奇想(因應疫情 加大座位間隔) 最密堆積
Discover Topics
Scalene Triangles
Linear Programming or Linear Optimization
Polygons
Inequalities
Piecewise Functions